"basic multiuser gameplay possible. Milestone m6 reached!

documentation/development/ROADMAP

@@ -29,8 +29,6 @@ m5: goban inside database
 	on side of the board, so that gobans of size 9x9, 13x13 and 19x19 can be 
 	displayed.
 
- . <--- YOU ARE HERE.
-
 m6:	manage users and game sessions inside database
 	manage user accounts and the game(s) they currently play inside the data-
 	base. each game has its own table, which contains players, current turn, 
@@ -39,7 +37,9 @@ m6:	manage users and game sessions inside database
 	(up to 8 or so). So if the user calls the cgi script, she has to send 
 	username and password and is then given the choice of game to play. If 
 	there is only one active game, directly present the goban.
-	
+
+ . <--- YOU ARE HERE.
+
 m7: implement Go rules
 	Do not accept player moves which violate go rules. Remove beaten stones.
 	Count and display the score for each player.

goban.py

@@ -88,6 +88,7 @@ def display_goban(goban,req,form):
 						data += hoshifield
 					else:
 						data += defaultfield
+	data += '\n<input type="hidden" name="play" value="foo">'
 	data += '\n</form>'		
 	return data
 
@@ -98,7 +99,7 @@ def display_goban(goban,req,form):
 
 				
 		
-def process_form(goban):
+def process_form(req,form,goban):
 	"""
 	gets a goban dictionary.
 	
@@ -106,12 +107,13 @@ def process_form(goban):
 	if the goban has been clicked, return a (x,y) tuple of the position.
 	
 	"""
-	#get instance of fieldstorage
-	form = cgi.FieldStorage()
 	#if form == empty (which means if page is displayed for the first time):
 	if form.keys() != []:
 		#cut out the name of the clicked button
-		namestring =  string.split(form.keys()[0],".x")[0]
+		for item in form.keys():
+			if string.find(item,").x")>0:
+				namestring =  string.split(item,".x")[0]
+		
 		position =  helper.string_to_tuple(namestring)
 		ret = set_stone(goban, position)
 		if (type(ret) == type("")):
@@ -125,7 +127,7 @@ def set_stone(goban, position):
 	"""gets a goban dictionary and a (x,y)-tuple. Returns a modified goban."""
 	turn = goban["turn_number"]
 	if (goban[position] == 0): #empty field
-		goban[position] = (turn % 2) + 1 #even turn: white tone (1), else black stone(2)
+		goban[position] = (turn % 2) + 1 #even turn: white stone (1), else black stone(2)
 		goban["turn_number"] += 1
 		#now write changed values to database
 		psql.update_goban_field(goban["name"],position[0],position[1],(turn % 2) + 1)
@@ -150,11 +152,11 @@ def main(gamename):
 	goban = psql.fetchall_list_to_goban_dict(tmplist)
 	#print goban
 
-	(goban,str) = process_form(goban)
+	(goban,retstring) = process_form(goban)
 	data += "<p> Turn number: %s, %s Player's Move.</p>" % (goban["turn_number"],("White","Black")[goban["turn_number"] % 2]) #eleet ;>
 	data += display_goban(goban)
-	if str != "":
-		data +="\n<p>"+str+"</p>\n"
+	if retstring != "":
+		data +="\n<p>"+retstring+"</p>\n"
 
 	
 	data += helper.footer()

main.py

@@ -30,11 +30,6 @@ def handler(req):
 			sessionid=""
 			username=""
 			
-		foundx = False
-		for item in form.keys():
-			if string.find(item,").x") > 0:
-				foundx = True
-
 		#if sessionid=sesssionid and time < timeout:
 		# set_timeout
 		
@@ -46,7 +41,7 @@ def handler(req):
 		elif "delete" in form.keys():
 			deletegame = apache.import_module("deletegame")
 			deletegame.main(req,form)
-		elif ("play" in form.keys()) or foundx:
+		elif ("play" in form.keys()):
 			playgame = apache.import_module("playgame")
 			playgame.main(req,form)
 		else:

playgame.py

@@ -1,4 +1,39 @@
 import goban,helper,psql
+import string
+
+def is_my_turn(req,form,gobandict):
+	"""
+	gets request and util.FiedStorage form.
+	check wether or not the current this is the players turn.
+	return true or false.
+	"""
+
+	#INFO: player1 is black,player2 is white. black starts the game.
+	me = form["username"]
+	player1 = gobandict["player1"]
+	player2 = gobandict["player2"]
+
+	#get turn_number.
+	turn_number = gobandict["turn_number"]
+	#if turn_number modulo 2 == 0: are we player two?
+	#	yes:return True, else return False
+	if turn_number % 2 == 0:
+		if me == player2:
+			return True
+		else:
+			return False
+	#else:are we player1?
+	#	yes:return True, else return False
+	else:
+		if me == player1:
+			return True
+		else:
+			return False
+
+		
+
+	
+
 
 def main(req,form):
 	"""
@@ -11,25 +46,41 @@ def main(req,form):
 	except:
 		gamename = ""
 	if gamename != "":
-		#do stuff
-		data = 	helper.header()
-
+		
 		#read goban table from database
 		tmplist = psql.read_table(gamename)
 		#make a dictionary out of the list
 		gobandict = psql.fetchall_list_to_goban_dict(tmplist)
-		#print goban
-		#data += "<p> Turn number: %s, %s Player's Move.</p>" % (gobandict["turn_number"],("White","Black")[gobandict["turn_number"] % 2]) #eleet ;>
+		#check if user has already clicked onto a field:
+		foundx = False
+		for item in form.keys():
+			if string.find(item,").x") > 0:
+				foundx = True
+		if foundx:
+			if is_my_turn(req,form,gobandict):
+				(gobandict,retstring) = goban.process_form(req,form,gobandict)
+			else:
+				pass
+						
+		#do stuff
+		data = 	helper.header()
+			
+		
+		data += "Turn number: "+str(gobandict["turn_number"])+". "
 		
 		#check whether its our turn
 		#if yes: print 'your move' and display goban and process move
 		#if not: print '...s move' and display goban.
+		if is_my_turn(req,form,gobandict):
+			data += ("Its your turn.<br>")
+		else:
+			data+= ("This is not your turn. Look, but don't touch ;)<br>")
 	
 	
-	
+		#print goban
 		data += goban.display_goban(gobandict,req,form)
 		data += helper.footer()
 		req.write(data)
 	
 	else:
-		req.write('Error: You have to select a game to play it!')
+		req.write('Error: You have to select a game to play it!')